pyromania

After he set three small fires in one week, his doctor said he showed signs of pyromania.

用法提示：pyromania 是名词，作介词 of 的宾语，指无法控制纵火冲动的强迫性障碍。

In her psychology class, she learned that pyromania involves an obsession with fire.

用法提示：pyromania 是名词，作 that 从句的主语，指以痴迷于火为特征的强迫性障碍。

The novel's main character struggles with pyromania and cannot resist the urge to start fires.

用法提示：pyromania 是名词，作介词 with 的宾语，表示难以抗拒纵火冲动这一障碍。